| ID | Definition | Species | Length | Seq. |
| XSB1278 | PREDICTED: similar to cytoplasmic beta-actin isoform 1 [Canis familiaris] | Canis lupus familiaris (dog) | 361 | FASTA |
| XSB1279 | PREDICTED: similar to cytoplasmic beta-actin isoform 9 [Canis familiaris] | Canis lupus familiaris (dog) | 376 | FASTA |
| XSB1280 | actin 5 [Aedes aegypti] | Aedes aegypti (yellow fever mosquito) | 376 | FASTA |
| XSB1281 | beta-actin [Phascolarctos cinereus] | Phascolarctos cinereus (koala) | 375 | FASTA |
| XSB1282 | beta-actin [Pungitius pungitius] | Pungitius pungitius (ninespine stickleback) | 362 | FASTA |
| XSB1283 | PREDICTED: similar to Actin-87E isoform 1 [Apis mellifera] | Apis mellifera (honey bee) | 376 | FASTA |
| XSB1284 | beta actin variant [Homo sapiens] | Homo sapiens (human) | 375 | FASTA |
| XSB1285 | beta actin variant [Homo sapiens] | Homo sapiens (human) | 375 | FASTA |
| XSB1286 | beta cytoplasmic actin [Pagrus major] | Pagrus major (red seabream) | 375 | FASTA |
| XSB1287 | cytoskeletal beta actin [Sus scrofa] | Sus scrofa (pig) | 404 | FASTA |
| XSB1288 | beta actin [Acanthopagrus schlegelii] | Acanthopagrus schlegelii (black porgy) | 375 | FASTA |
| XSB1289 | actin [Spodoptera exigua] | Spodoptera exigua (beet armyworm) | 375 | FASTA |
| XSB1290 | beta-actin [Pagrus major] | Pagrus major (red seabream) | 198 | FASTA |
| XSB1291 | beta-actin [Tigriopus japonicus] | Tigriopus japonicus | 375 | FASTA |
| XSB1292 | actin [Chlamys farreri] | Chlamys farreri | 376 | FASTA |
| XSB1293 | cytoplasmic actin A3a2 [Helicoverpa zea] | Helicoverpa zea (corn earworm) | 376 | FASTA |
| XSB1294 | actin [Daphnia magna] | Daphnia magna | 376 | FASTA |
| XSB1295 | beta-actin [Culex pipiens pallens] | Culex pipiens pallens | 377 | FASTA |
| XSB1296 | actin, beta [Homo sapiens] | Homo sapiens (human) | 368 | FASTA |
| XSB1297 | actin [Monosiga brevicollis] | Monosiga brevicollis | 375 | FASTA |
| XSB1298 | beta actin [Dicentrarchus labrax] | Dicentrarchus labrax (European seabass) | 375 | FASTA |
| XSB1311 | beta-actin [Passer domesticus] | Passer domesticus (house sparrow) | 373 | FASTA |
| XSB1312 | actin [Rhipicephalus appendiculatus] | Rhipicephalus appendiculatus | 376 | FASTA |
| XSB1313 | actin [Ornithodoros moubata] | Ornithodoros moubata | 376 | FASTA |
| XSB1314 | unnamed protein product [Mus musculus] | Mus musculus (house mouse) | 375 | FASTA |
| XSB1315 | unnamed protein product [Mus musculus] | Mus musculus (house mouse) | 375 | FASTA |
| XSB1316 | unnamed protein product [Mus musculus] | Mus musculus (house mouse) | 375 | FASTA |
| XSB1317 | unnamed protein product [Tetraodon nigroviridis] | Tetraodon nigroviridis | 383 | FASTA |
| XSB1319 | unnamed protein product [Tetraodon nigroviridis] | Tetraodon nigroviridis | 372 | FASTA |
| XSB1320 | actin, beta [Xenopus (Silurana) tropicalis] | Xenopus (Silurana) tropicalis (western clawed frog) | 375 | FASTA |
| XSB1321 | Actin, cytoplasmic 1 | Danio rerio (zebrafish) | 375 | FASTA |
| XSB1323 | actin [Boophilus microplus] | Rhipicephalus microplus (Boophilus microplus) | 376 | FASTA |
| XSB1324 | RecName: Full=Actin-3 | Limulus polyphemus (Atlantic horseshoe crab) | 376 | FASTA |
| XSB1325 | RecName: Full=Actin-2 | Lumbricus terrestris (common earthworm) | 376 | FASTA |
| XSB1326 | RecName: Full=Actin, cytoplasmic A3a | Helicoverpa armigera (cotton bollworm) | 376 | FASTA |
| XSB1327 | beta actin [Carassius auratus] | Carassius auratus (goldfish) | 375 | FASTA |
| XSB1329 | Actin, cytoplasmic 1 | Takifugu rubripes (Fugu rubripes) | 375 | FASTA |
| XSB1331 | Actin, cytoplasmic 1 | Sigmodon hispidus (hispid cotton rat) | 375 | FASTA |
| XSB1332 | RecName: Full=Actin | Taenia solium (pork tapeworm) | 376 | FASTA |
| XSB1333 | RecName: Full=Actin-1/2 | Podocoryna carnea | 376 | FASTA |
| XSB1334 | Actin, cytoplasmic 1 | Cricetulus griseus (Chinese hamster) | 375 | FASTA |
| XSB1335 | cytoplasmic actin [Oikopleura longicauda] | Oikopleura longicauda | 375 | FASTA |
| XSB1337 | Actin, cytoplasmic 1 | Cyprinus carpio (common carp) | 375 | FASTA |
| XSB1338 | Chain A, Crystal Structure Of Caenorhabditis Elegans Mg-Atp Actin Complexed With Human Gelsolin Segment 1 At 1.75 A Resolution. | Caenorhabditis elegans | 375 | FASTA |
| XSB1340 | actin [Galaxea fascicularis] | Galaxea fascicularis | 376 | FASTA |
| XSB1341 | RecName: Full=Actin-5, muscle-specific | Bactrocera dorsalis (oriental fruit fly) | 376 | FASTA |
| XSB1342 | B-actin [Pagrus major] | Pagrus major (red seabream) | 375 | FASTA |
| XSB1344 | hypothetical protein LOC641320 [Danio rerio] | Danio rerio (zebrafish) | 376 | FASTA |
| XSB1345 | RecName: Full=Actin, cytoplasmic | Biomphalaria tenagophila | 376 | FASTA |
| XSB1346 | Actin, acrosomal process isoform | Limulus polyphemus (Atlantic horseshoe crab) | 376 | FASTA |
